#define _CRT_SECURE_NO_WARNINGS

#include <iostream>
#include <vector>
using namespace std;
//https://www.nowcoder.com/practice/99eb8040d116414ea3296467ce81cbbc?tpId=230&tqId=2023819&ru=/exam/oj&qru=/ta/dynamic-programming/question-ranking&sourceUrl=%2Fexam%2Foj%3Fpage%3D1%26tab%3D%25E7%25AE%2597%25E6%25B3%2595%25E7%25AF%2587%26topicId%3D196
int main()
{
    int n, m, q;
    cin >> n >> m >> q;
    vector<vector<int>> arr(n + 1, vector<int>(m + 1));
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin >> arr[i][j];
    vector<vector<long long>> dp(n + 1, vector<long long>(m + 1));
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            dp[i][j] = dp[i][j - 1] + dp[i - 1][j] + arr[i][j] - dp[i - 1][j - 1];
    int x1, y1, x2, y2;
    while (q--)
    {
        cin >> x1 >> y1 >> x2 >> y2;
        cout << dp[x2][y2] - dp[x2][y1 - 1] - dp[x1 - 1][y2] + dp[x1 - 1][y1 - 1] << endl;
    }
    return 0;
}